Support base for rotatable hair brush



FIG. 1 is a front elevational view of a support base for a rotatable hair brush;

FIG. 2 is a side elevational view of the support base as seen from the left side of the support base;

FIG. 3 is a top plan view of the support base;

FIG. 4 is a rear elevational view of the support base; and,

FIG. 5 is a bottom plan view of the support base. 

The ornamental design for a support base for rotatable hair brush, as shown and described. 